From 1deab7ed164fc4df348dd0401d34d2ff5b48edd5 Mon Sep 17 00:00:00 2001 From: Marek Vasut Date: Tue, 11 Jan 2022 03:48:02 +0100 Subject: [PATCH] ARM: dts: stm32: Add CM4 reserved memory, rproc and IPCC on DHCOR SoM Add reserved memory nodes for CortexM4 on the STM32MP1 DHCOR SoM, enable rproc to control the CM4 and IPCC mailbox to interact with it. Signed-off-by: Marek Vasut Cc: Alexandre Torgue Cc: linux-stm32@st-md-mailman.stormreply.com To: linux-arm-kernel@lists.infradead.org Signed-off-by: Alexandre Torgue --- arch/arm/boot/dts/stm32mp15xx-dhcor-som.dtsi | 56 ++++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcor-som.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcor-som.dtsi index 44ecc4708587..6336c3ca0f0e 100644 --- a/arch/arm/boot/dts/stm32mp15xx-dhcor-som.dtsi +++ b/arch/arm/boot/dts/stm32mp15xx-dhcor-som.dtsi @@ -19,6 +19,48 @@ device_type = "memory"; reg = <0xc0000000 0x40000000>; }; + + reserved-memory { + #address-cells = <1>; + #size-cells = <1>; + ranges; + + mcuram2: mcuram2@10000000 { + compatible = "shared-dma-pool"; + reg = <0x10000000 0x40000>; + no-map; + }; + + vdev0vring0: vdev0vring0@10040000 { + compatible = "shared-dma-pool"; + reg = <0x10040000 0x1000>; + no-map; + }; + + vdev0vring1: vdev0vring1@10041000 { + compatible = "shared-dma-pool"; + reg = <0x10041000 0x1000>; + no-map; + }; + + vdev0buffer: vdev0buffer@10042000 { + compatible = "shared-dma-pool"; + reg = <0x10042000 0x4000>; + no-map; + }; + + mcuram: mcuram@30000000 { + compatible = "shared-dma-pool"; + reg = <0x30000000 0x40000>; + no-map; + }; + + retram: retram@38000000 { + compatible = "shared-dma-pool"; + reg = <0x38000000 0x10000>; + no-map; + }; + }; }; &crc1 { @@ -179,11 +221,25 @@ }; }; +&ipcc { + status = "okay"; +}; + &iwdg2 { timeout-sec = <32>; status = "okay"; }; +&m4_rproc { + memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>, + <&vdev0vring1>, <&vdev0buffer>; + mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>; + mbox-names = "vq0", "vq1", "shutdown"; + interrupt-parent = <&exti>; + interrupts = <68 1>; + status = "okay"; +}; + &pwr_regulators { vdd-supply = <&vdd>; vdd_3v3_usbfs-supply = <&vdd_usb>; -- 2.50.1